Home / 268,340.78-370,317.06-147,485.13

Finding the Fourth Proportional to 268,340.78, 370,317.06 and 147,485.13

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Solution

The fourth proportional to 268,340.78, 370,317.06 and 147,485.13 is: 203,533.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,340.78 : 370,317.06 = 147,485.13 : x
  2. Step 2: Convert to fraction form
    268,340.78/370,317.06 = 147,485.13/x
  3. Step 3: Cross multiply
    268,340.78x = 370,317.06 × 147,485.13
  4. Step 4: Simplify right side
    268,340.78x = 54,616,259,735.32
  5. Step 5: Solve for x
    x = 54,616,259,735.32/268,340.78
  6. Step 6: Final answer
    x = 203,533.21

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.